In article <484E3293.8000507@cn.fujitsu.com> (at Tue, 10 Jun 2008 15:51:47 +0800), Shan Wei <shanwei@cn.fujitsu.com> says:

quoted text
> The IP_MULTICAST_LOOP option can only be set with o or 1. When 
> other valuse are set, the kernel should return an error of EINVAL.
> 
> In addition, the option should not be uesd by SOCK_STREAM type,
> same as IP_MULTICAST_IF, IP_MULTICAST_TTL.
>   
> But the kernel doesn't check them.

Is there any standard reference about this?

--yoshfuji
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